Liquid Level Probe Application Industrial Number of Probes 3 Probe Lengths 12 in 18 in 24 in Process Connection 2-1/2 in NPT Probe Material 304 Stainless Steel and PTFE Material of Construction NEMA 4X Stainless Steel Housing For Use With Lumenite WFLTV-TM WFLTV-SM and WFLTV-DM Level Controllers